Try another version of this question Get help: Box 1: Enter each element of the matrix as number (like 5, -3, 2.2)
Add: `[(-2,-2),(-7,-1),(2,5),(-2,2)] + [(-2,-2),(-4,-8),(-5,-7),(1,7)]`
`[(-4,-4),(-11,-9),(-3,-2),(-1,9)]`